* {
    margin: 0;
    padding: 0;
    transition: 0.3s;
}

html,
body {
    scroll-behavior: smooth;
}

body {
    width: 100%;
    height: 100%;
    background-image: url('../Img/关于我们.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    
}

ul {
    list-style: none;
}

body {
    /* background-color: rgb(218, 226, 237, 0.9); */
    width: 100%;
    font-family: '微软雅黑';
}


/* header头部 */

.header {
    width: 100%;
    font-weight: 600;
    font-size: .975rem;
    letter-spacing: .125rem;
}

#navbar {
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    width: 100%;
    z-index: 999;
}

.header .wrapper {
    display: flex;
}

.logo {
    width: 13rem;
    margin-right: 2rem;
}

.nav-wrapper {
    min-height: 0rem;
    padding: 1.25rem 0;
    position: relative;
}

.nav-wrapper .nav-container {
    align-items: center;
    max-width: 86rem;
    margin: 0 auto;
    flex-direction: row;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #fff;
    position: relative;
}

.nav-wrapper .nav-container .nav-l {
    align-items: center;
    display: flex;
}

.nav-wrapper .nav-container .nav-r {
    display: flex;
    box-sizing: border-box;
}

.nav-wrapper .nav-container .nav-r img {
    width: 10%;
    margin-right: 1rem;
}

.b-l {
    width: 8rem;
    text-align: center;
    border-radius: .8rem;
    margin: auto;
    margin-right: 1rem;
    transition: width .25s;
}

.b-l:hover {
    background-color: #192248;
    padding: 1rem 0;
}

.nav-wrapper .nav-container button {
    background-color: #192248;
    color: #fff;
    font-size: .975rem;
    letter-spacing: .00875rem;
    width: 10rem;
    height: 3.45rem;
    border: 0;
    line-height: 1;
    border-radius: 5rem;
    padding: 0rem;
    font-weight: 600;
    letter-spacing: .125rem;
    text-transform: uppercase;
    cursor: pointer;
    box-sizing: content-box;
    display: inline-block;
}

.nav-wrapper .nav-container .nav-a {
    display: flex;
}

.nav-wrapper .nav-container .nav-a li {
    padding-right: 2.1rem;
}

.nav-wrapper li a {
    color: #fff;
    text-decoration: none;
}

.nav-wrapper li a:hover {
    color: #253a9c;
}


/*  */

.box {
    width: 100%;
    max-width: 60.60vw;
    height: 90.90vw;
    display: flex;
    padding-bottom: 1.21vw;
    margin-bottom: 3.63vw;
    margin: 0 auto;
    margin-top: 12.12vw;
    /* background-color: rgba(42, 62, 85, 0.6); */
}

.btn {
    width: 18.18vw;
    height: 1.21vw;
    background-color: #fff;
    border-radius: 1.21vw;
    padding: 0.91vw;
    text-align: center;
    font-weight: 700;
    font-size: 1.81vw;
    line-height: 1.21vw;
    margin: 2.42vw auto;
}

.item {
    background-repeat: no-repeat;
    background-size: contain;
    position: relative;
    color: #fff;
    font-size: 1.81vw;
    font-weight: 700;
    padding-left: 1.21vw;
}


.i_1 {
    display: flex;
    justify-content: space-between;
    
}

.i_con {
    position: absolute;
    bottom: 18px;
}

.it1{
    width: 20vw;
    height: 20vw;
    background-image: url('../Img/cjy.png');
}

.it2{
    width: 20vw;
    height: 20vw;
    background-image: url('../Img/qsj.png');
}

.it_1{
    width: 18vw;
    height: 18vw;
    position: relative;
    color: #fff;
    font-size: 1.81vw;
    font-weight: 700;
    padding-left: 1.812vw;
    background-image: url('../Img/sjx.png');
}

.it_2{
    width: 18vw;
    height: 18vw;
    position: relative;
    color: #0e031e;
    font-size: 1.81vw;
    font-weight: 700;
    padding-left: 1.812vw;
    background-image: url('../Img/gx.png');
}

.it_3{
    width: 18vw;
    height: 18vw;
    position: relative;
    color: #fff;
    font-size: 1.81vw;
    font-weight: 700;
    padding-left: 1.812vw;
    background-image: url('../Img/lj.png');
}
a{
    text-decoration: none;
    color:white;
}